Modulating Electronic Structures of Inorganic Nanomaterials for Efficient Electrocatalytic Water Splitting

2019 ◽  
Vol 58 (14) ◽  
pp. 4484-4502 ◽  
Author(s):  
Xinchuan Du ◽  
Jianwen Huang ◽  
Junjun Zhang ◽  
Yichao Yan ◽  
Chunyang Wu ◽  
...  
Keyword(s):  
Water Splitting ◽  
Electronic Structures ◽  
Inorganic Nanomaterials

scholarly journals Large-area printing of ferroelectric surface and super-domains for efficient solar water splitting

2020 ◽  
Author(s):  
Yu Tian ◽  
Yaqing Wei ◽  
Minghui Pei ◽  
Rongrong Cao ◽  
Zhenao Gu ◽  
...  
Keyword(s):  
Water Splitting ◽  
Electric Fields ◽  
Electronic Structures ◽  
Active Sites ◽  
Large Area ◽  
Solar Water Splitting ◽  
High Efficient ◽  
Catalytic Sites ◽  
Order Of Magnitude ◽  
Magnitude Increase

Abstract Surface electronic structures of the photoelectrodes determine the activity and efficiency of the photoelectrochemical water splitting, but the controls of their surface structures and interfacial chemical reactions remain challenging. Here, we use ferroelectric BiFeO3 as a model system to demonstrate an efficient and controllable water splitting reaction by large-area constructing the hydroxyls-bonded surface. The up-shift of band edge positions at this surface enables and enhances the interfacial holes and electrons transfer through the hydroxyl-active-sites, leading to simultaneously enhanced oxygen and hydrogen evolutions. Furthermore, printing of ferroelectric super-domains with microscale checkboard up/down electric fields separates the distribution of reduction/oxidation catalytic sites, enhancing the charge separation and giving rise to an order of magnitude increase of the photocurrent. This large-area printable ferroelectric surface and super-domains offer an alternative platform for controllable and high-efficient photocatalysis.

Earth abundant electrocatalysts for the oxygen evolution reaction of water splitting using nanostructured layered inorganic nanomaterials

2021 ◽  
Author(s):  
Jorge Colon ◽  
Kálery La Luz-Rivera ◽  
Joel Sanchez ◽  
Andrea Cortés-Ortiz ◽  
Victoria Figueroa ◽  
...  
Keyword(s):  
Water Splitting ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Earth Abundant ◽  
Inorganic Nanomaterials

Engineering Electronic Structures of Nickel Cobalt Phosphide via Iron Doping for Efficient Overall Water Splitting

2020 ◽  
Vol 7 (24) ◽  
pp. 4913-4921
Author(s):  
Liwei Pang ◽  
Wei Liu ◽  
Xueru Zhao ◽  
Miao Zhou ◽  
Jiayi Qin ◽  
...  
Keyword(s):  
Water Splitting ◽  
Electronic Structures ◽  
Iron Doping ◽  
Cobalt Phosphide ◽  
Overall Water Splitting ◽  
Nickel Cobalt

scholarly journals On topological materials as photocatalysts for water splitting by visible light

2021 ◽  
Author(s):  
Ahmad Ranjbar ◽  
Hossein Mirhosseini ◽  
Thomas D Küehne
Keyword(s):  
Visible Light ◽  
Water Splitting ◽  
Water Oxidation ◽  
Electronic Structures ◽  
Density Functional ◽  
Band Edge ◽  
Hybrid Functional ◽  
Functional Theory ◽  
Hartree Fock ◽  
Topological Materials

Abstract We performed virtual materials screening to identify promising topological materials for photocatalytic water splitting under visible light irradiation. Topological compounds were screened based on band gap, band edge energy, and thermodynamics stability criteria. In addition, topological types for our final candidates were computed based on electronic structures calculated by means of hybrid density functional theory including exact Hartree-Fock exchange. Our final list contains materials which have band gaps between 1.0 eV and 2.7 eV in addition to band edge energies suitable for water oxidation and reduction. However, the topological types of these compounds calculated with the hybrid functional differ from those reported previously. To that end, we discuss the importance of computational methods for the calculation of atomic and electronic structures in materials screening processes.

scholarly journals Computational design of graphitic carbon nitride photocatalysts for water splitting

2021 ◽  
Author(s):  
Gareth O. Hartley ◽  
Natalia Martsinovich
Keyword(s):  
Water Splitting ◽  
Electronic Structures ◽  
Carbon Nitride ◽  
Computational Design ◽  
Graphitic Carbon ◽  
Graphitic Carbon Nitride

We investigated the electronic structures of novel graphitic carbon nitride-based materials by replacing the nitrogen linker with heteroatoms or aromatic groups.

Plasmon Inducing Effects for Enhanced Photoelectrochemical Water Splitting: X-ray Absorption Approach to Electronic Structures

ACS Nano ◽  
2012 ◽  
Vol 6 (8) ◽  
pp. 7362-7372 ◽  
Author(s):  
Hao Ming Chen ◽  
Chih Kai Chen ◽  
Chih-Jung Chen ◽  
Liang-Chien Cheng ◽  
Pin Chieh Wu ◽  
...  
Keyword(s):  
Water Splitting ◽  
Electronic Structures ◽  
Photoelectrochemical Water Splitting ◽  
X Ray ◽  
X Ray Absorption

Surface engineering of nickel selenide for an enhanced intrinsic overall water splitting ability

2018 ◽  
Vol 2 (9) ◽  
pp. 1725-1731 ◽  
Author(s):  
Peng Fei Liu ◽  
Le Zhang ◽  
Li Rong Zheng ◽  
Hua Gui Yang
Keyword(s):  
Water Splitting ◽  
Electronic Structures ◽  
Surface Engineering ◽  
Overall Water Splitting

Polyaniline could subtly modify the surface electronic structures of NiSe electrocatalysts, with an optimized selenium-enriched configuration for the HER and enhanced in situ generation of NiIII/IV for the OER.

scholarly journals Water Splitting Electrocatalysis within Layered Inorganic Nanomaterials

2020 ◽  
Author(s):  
Mario V. Ramos-Garcés ◽  
Joel Sanchez ◽  
Isabel Barraza Alvarez ◽  
Yanyu Wu ◽  
Dino Villagrán ◽  
...  
Keyword(s):  
Water Splitting ◽  
Inorganic Nanomaterials

scholarly journals Visible-light driven heterojunction photocatalysts for water splitting – a critical review

2015 ◽  
Vol 8 (3) ◽  
pp. 731-759 ◽  
Author(s):  
Savio J. A. Moniz ◽  
Stephen A. Shevlin ◽  
David James Martin ◽  
Zheng-Xiao Guo ◽  
Junwang Tang
Keyword(s):  
Visible Light ◽  
Water Splitting ◽  
Critical Review ◽  
Electronic Structures ◽  
State Of The Art ◽  
Theoretical Modelling ◽  
Current State ◽  
Visible Light Driven

We summarise current state-of-the-art efficient visible-light driven heterojunction water splitting photo(electro)catalysts and describe how theoretical modelling of electronic structures at interfaces can explain their functionality.

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